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Fonacier L, Frankel D, Mawhirt S. Contact allergens for the allergist. Ann Allergy Asthma Immunol 2022; 128:629-644. [PMID: 35346877 DOI: 10.1016/j.anai.2022.03.022] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2022] [Revised: 03/18/2022] [Accepted: 03/21/2022] [Indexed: 12/20/2022]
Abstract
OBJECTIVE The objective of this article is to provide an overview and describe typically encountered skin contact allergens implicated in allergic contact dermatitis (ACD). DATA SOURCES Published literature obtained through textbooks, online PubMed, and Google Scholar database searches, author photography, and adapted figures were used. STUDY SELECTIONS Studies on the evaluation of ACD and specific skin contact allergens were selected, with a focus on original research articles and clinical reviews. RESULTS Major classifications of common contact allergens include the following: (1) fragrances, (2) preservatives, (3) excipients, (4) rubber chemicals, (5) textile dyes, (6) topical medications, and (6) metals and other biomedical device components. The dermatitis distribution can aid in identifying the suspected contact allergen culprit. Certain contact allergens have features that are important to consider in the patch testing (PT) interpretation; these include possible irritant reactions, false-negative reactions or missed detection, and delayed reactions. Fragrances, preservatives, and excipients are culprits in personal products and facial or neck dermatitis. Patch testing with fragrances, preservatives, and patient-supplied products requires careful interpretation. Hand or foot dermatitis may be attributed to rubber chemicals or textile dyes. The management of topical corticosteroid contact allergy is guided on the basis of structural group classifications. Metal sensitization has been associated with dermatitis or biomedical device complications. CONCLUSION Each skin contact allergen has unique characteristics with regard to the dermatitis clinical presentation and potential PT nuances. These features are critical to recognize in the evaluation of ACD and PT interpretation and clinical relevance, leading to an accurate diagnosis.
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Affiliation(s)
- Luz Fonacier
- Division of Rheumatology, Allergy, and Immunology, Department of Medicine, New York University Langone Hospital-Long Island, Mineola, New York; New York University Long Island School of Medicine, Mineola, New York.
| | - David Frankel
- Division of Rheumatology, Allergy, and Immunology, Department of Medicine, New York University Langone Hospital-Long Island, Mineola, New York
| | - Stephanie Mawhirt
- Division of Rheumatology, Allergy, and Immunology, Department of Medicine, New York University Langone Hospital-Long Island, Mineola, New York; New York University Long Island School of Medicine, Mineola, New York
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2
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Wennervaldt M, Ahlström MG, Menné T, Thyssen JP, Johansen JD. Nickel release from metallic earrings: A survey of the Danish market and validation of the nickel spot test. Contact Dermatitis 2021; 85:178-185. [PMID: 33713466 DOI: 10.1111/cod.13832] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2020] [Revised: 02/17/2021] [Accepted: 03/07/2021] [Indexed: 01/13/2023]
Abstract
BACKGROUND Exposure to nickel-releasing ear-piercing jewellery may explain the persistently high prevalence of nickel allergy in Europe. While nickel release from earrings is regulated, field studies show that the regulation is not always respected. More knowledge is needed regarding the risk of piercing exposure including suitable screening methods. OBJECTIVE To examine the proportion of earrings on the Danish market that release more nickel than allowed, and to validate the use of the dimethylglyoxime (DMG) test as a screening tool. METHODS A total of 304 earrings were purchased and tested with the DMG test and X-ray fluorescence spectrometry. The level of nickel release was quantified in a selected subsample of 100 earrings by the European reference test EN 1811. The DMG spot test was validated against EN 1811 at different thresholds. RESULTS Excessive nickel release according to the European regulation was found in 45 (14.8%) tested earrings. The sensitivity of the DMG test decreased with reduced levels of nickel release (sensitivity of 45.2% at ≥0.2 μg/cm2 /week vs 61.1% at >0.5 μg/cm2 /week). CONCLUSION Excessive nickel release is common in earrings on the Danish market. Because of low sensitivity, the DMG test has limited use in screening of earrings for research but may still be used clinically.
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Affiliation(s)
- Michael Wennervaldt
- National Allergy Research Centre, Department of Dermatology and Allergy, Copenhagen University Hospital Herlev-Gentofte, Hellerup, Denmark
| | - Malin G Ahlström
- National Allergy Research Centre, Department of Dermatology and Allergy, Copenhagen University Hospital Herlev-Gentofte, Hellerup, Denmark
- Department of Dermatology and Allergy, Copenhagen University Hospital Herlev-Gentofte, Hellerup, Denmark
| | - Torkil Menné
- National Allergy Research Centre, Department of Dermatology and Allergy, Copenhagen University Hospital Herlev-Gentofte, Hellerup, Denmark
| | - Jacob P Thyssen
- National Allergy Research Centre, Department of Dermatology and Allergy, Copenhagen University Hospital Herlev-Gentofte, Hellerup, Denmark
- Department of Dermatology and Allergy, Copenhagen University Hospital Herlev-Gentofte, Hellerup, Denmark
| | - Jeanne D Johansen
- National Allergy Research Centre, Department of Dermatology and Allergy, Copenhagen University Hospital Herlev-Gentofte, Hellerup, Denmark
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Ahlström MG, Johansen JD. Allergic Contact Dermatitis in Humans: Experimental and Quantitative Aspects. Contact Dermatitis 2021. [DOI: 10.1007/978-3-030-36335-2_14] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Ahlström MG, Thyssen JP, Wennervaldt M, Menné T, Johansen JD. Nickel allergy and allergic contact dermatitis: A clinical review of immunology, epidemiology, exposure, and treatment. Contact Dermatitis 2019; 81:227-241. [DOI: 10.1111/cod.13327] [Citation(s) in RCA: 115] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2019] [Revised: 05/23/2019] [Accepted: 05/24/2019] [Indexed: 02/06/2023]
Affiliation(s)
- Malin G. Ahlström
- National Allergy Research Centre, Department of Dermatology and Allergy, Herlev and Gentofte HospitalUniversity of Copenhagen Hellerup Denmark
| | - Jacob P. Thyssen
- National Allergy Research Centre, Department of Dermatology and Allergy, Herlev and Gentofte HospitalUniversity of Copenhagen Hellerup Denmark
- Department of Dermatology and Allergy, Herlev and Gentofte HospitalUniversity of Copenhagen Hellerup Denmark
| | - Michael Wennervaldt
- National Allergy Research Centre, Department of Dermatology and Allergy, Herlev and Gentofte HospitalUniversity of Copenhagen Hellerup Denmark
| | - Torkil Menné
- National Allergy Research Centre, Department of Dermatology and Allergy, Herlev and Gentofte HospitalUniversity of Copenhagen Hellerup Denmark
| | - Jeanne D. Johansen
- National Allergy Research Centre, Department of Dermatology and Allergy, Herlev and Gentofte HospitalUniversity of Copenhagen Hellerup Denmark
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Cristaudo A, Petrucci F, Giannarelli D, Cercato MC, Orsini D, Morrone A, Bocca B. Nickel dermatitis from earrings 15 years after EU directive implementation: a clinical-epidemiological study and a market survey in Rome, Italy. J Eur Acad Dermatol Venereol 2019; 33:1928-1934. [PMID: 31055872 DOI: 10.1111/jdv.15650] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2018] [Accepted: 04/12/2019] [Indexed: 12/11/2022]
Abstract
BACKGROUND Nickel (Ni) dermatitis remains a highly prevalent allergic condition in Italy. There is a continuous need for clinical and epidemiological surveillance to evaluate whether or not European Ni Directive has been effective in contact allergy prevention. OBJECTIVES To assess the prevalence of Ni dermatitis among patch-tested patients and self-interviewed school students and to analyse Ni release from earlobe jewellery. METHODS Results of patch tests performed in 2006-2007, 2015-2016 and 2017-2018 were retrieved. A questionnaire was compiled by 315 secondary school students. Ni release from earring parts was analysed with the EN1811:2015 method. RESULTS A significant time trend of decreasing Ni positivity from 2006-2007 to 2017-2018 was observed both in the overall population (44.1% in 2006-2007, 33.0% in 2015-2016, 31.6% in 2017-2018, P < 0.0001) and in female patients (P < 0.0001). Conversely, change was not significant in males (P = 0.16). Decrease was significant for all age groups, except for those aged >60 years (P = 0.51). Among 242 students who reported earring use, 130 (54%) reported symptoms at earlobes, mostly associated with jewellery of materials other than gold and silver (59% of those with earlobe symptoms). Ni release exceeded the migration limit in 4/21 (20%) earring parts. CONCLUSIONS A high prevalence of Ni dermatitis and earlobe symptoms were found in Rome. A decreasing time trend was noted, with a significant decline in Ni sensitivity compared to the situation observed right after Ni Directive implementation. This most likely represents the consequence of reduced Ni content in earring parts, although a major care in the use of Ni-containing objects could contribute to explain these findings.
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Affiliation(s)
- A Cristaudo
- San Gallicano Dermatological Institute, IRCCS, Rome, Italy
| | - F Petrucci
- Department of Environment and Health, Istituto Superiore di Sanità, Rome, Italy
| | - D Giannarelli
- Regina Elena National Cancer Institute, IRCCS, Rome, Italy
| | - M C Cercato
- Regina Elena National Cancer Institute, IRCCS, Rome, Italy
| | - D Orsini
- San Gallicano Dermatological Institute, IRCCS, Rome, Italy
| | - A Morrone
- San Gallicano Dermatological Institute, IRCCS, Rome, Italy
| | - B Bocca
- Department of Environment and Health, Istituto Superiore di Sanità, Rome, Italy
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Ahlström MG, Johansen JD. Allergic Contact Dermatitis in Humans: Experimental and Quantitative Aspects. Contact Dermatitis 2019. [DOI: 10.1007/978-3-319-72451-5_14-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Tsang ACO, Nicholson P, Pereira VM. Nickel-Related Adverse Reactions in the Treatment of Cerebral Aneurysms: A Literature Review. World Neurosurg 2018; 115:147-153. [PMID: 29684517 DOI: 10.1016/j.wneu.2018.04.073] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2018] [Revised: 04/10/2018] [Accepted: 04/11/2018] [Indexed: 01/27/2023]
Abstract
BACKGROUND Nickel is the most common metal allergen and predominantly affects women. It is also the ubiquitous component in the alloys used to manufacture intracranial devices for aneurysm treatments, including aneurysm clips, self-expanding stents, flow-diverting stents, and endosaccular occlusion devices. Adverse events related to nickel allergy after deployment of such devices are uncommon but can be severe, resulting in dilemmas in the choice of treatment strategies and devices in managing nickel-sensitive patients with intracranial aneurysms. METHODS A literature search was performed in accordance with the PRISMA guidelines to identify studies reporting on nickel-related adverse events in patients being treated for cerebral aneurysm. The materials of the culprit devices, clinical presentation, histological features, and treatments were reviewed. Clinical considerations and management options for nickel allergy patients were evaluated. RESULTS Nickel is a major component of the cobalt alloy used in aneurysm clips and also of nitinol, which is commonly used in flow diverters and intracranial stents. Our literature review identified 9 articles reporting 10 unique cases of nickel-related adverse events after aneurysm treatment. Five of the cases occurred after aneurysm clipping, and the other 5 were attributed to endovascular devices. Two patients presented with dermatologic manifestations and 8 with neurologic manifestations, including cerebral edema and cerebritis. CONCLUSIONS Neurologic complications related to nickel in cerebral aneurysm treatments are rare but remain concern owing to the high prevalence of nickel allergy in the population. Surgeons and interventionists should consider the metal allergy history and its potential clinical significance in managing nickel-allergic patients with aneurysms.
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Affiliation(s)
- Anderson Chun On Tsang
- Division of Neuroradiology, Joint Department of Medical Imaging, Toronto Western Hospital, University of Toronto, Toronto, Ontario, Canada; Division of Neurosurgery, Department of Surgery, Queen Mary Hospital, The University of Hong Kong, Hong Kong, Hong Kong.
| | - Patrick Nicholson
- Division of Neuroradiology, Joint Department of Medical Imaging, Toronto Western Hospital, University of Toronto, Toronto, Ontario, Canada
| | - Vitor Mendes Pereira
- Division of Neuroradiology, Joint Department of Medical Imaging, Toronto Western Hospital, University of Toronto, Toronto, Ontario, Canada
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Zafrir Y, Trattner A, Hodak E, Eldar O, Lapidoth M, Ben Amitai D. Patch testing in Israeli children with suspected allergic contact dermatitis: A retrospective study and literature review. Pediatr Dermatol 2018; 35:76-86. [PMID: 29143366 DOI: 10.1111/pde.13333] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
BACKGROUND/OBJECTIVES Childhood allergic contact dermatitis is recognized as a significant clinical problem. The objective was to evaluate the rate of positive patch tests in Israeli children with clinically suspected allergic contact dermatitis, identify possible sex and age differences, compare results with those in Israeli adults, and review pediatric studies in the literature. METHODS The study sample included 343 children and adolescents (197 female, 146 male; 1-18 years of age, mean age 11.8 years) with clinically suspected allergic contact dermatitis who underwent patch testing with a standard pediatric series of 23 allergens at a tertiary medical center from 1999 to 2012. Data on clinical characteristics and test results were collected retrospectively from the medical files. RESULTS Ninety-eight subjects (28.6%) (75 girls [38.1%], 23 boys [15.8%]) had at least one positive reaction. The most frequent reactions were to nickel sulfate, followed by potassium dichromate and cobalt chloride. Nickel sulfate sensitivity was more common in girls, especially those younger than 3 years and older than 12 years. The prevalence of contact sensitization was similar in subjects with and without atopic dermatitis (50% and 51%, respectively). CONCLUSION Nickel is the most common allergen in Israeli children, especially girls. Patch testing should be performed in children with clinically suspected allergic contact dermatitis regardless of atopic background.
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Affiliation(s)
- Yaron Zafrir
- Department of Dermatology, Sheba Medical Center, Tel Hashomer, Israel
| | - Akiva Trattner
- Department of Dermatology, Rabin Medical Center-Beilinson Hospital, Petach Tikva, Israel.,Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Emmillia Hodak
- Department of Dermatology, Rabin Medical Center-Beilinson Hospital, Petach Tikva, Israel.,Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Oren Eldar
- Department of Dermatology, Rabin Medical Center-Beilinson Hospital, Petach Tikva, Israel
| | - Moshe Lapidoth
- Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel.,Laser Unit, Rabin Medical Center-Beilinson Hospital, Petach Tikva, Israel
| | - Dan Ben Amitai
- Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel.,Pediatric Dermatology Unit, Schneider Children's Medical Center of Israel, Petach Tikva, Israel
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Piercing and Metal Sensitivity: Extended Analysis of the North American Contact Dermatitis Group Data, 2007–2014. Dermatitis 2017; 28:333-341. [DOI: 10.1097/der.0000000000000324] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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10
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Breuner CC, Levine DA, Breuner CC, Alderman EM, Garofalo R, Grubb LK, Powers ME, Upadhya KK, Wallace SB. Adolescent and Young Adult Tattooing, Piercing, and Scarification. Pediatrics 2017; 140:peds.2017-1962. [PMID: 28924063 DOI: 10.1542/peds.2017-1962] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
Tattoos, piercing, and scarification are now commonplace among adolescents and young adults. This first clinical report from the American Academy of Pediatrics on voluntary body modification will review the methods used to perform the modifications. Complications resulting from body modification methods, although not common, are discussed to provide the pediatrician with management information. Body modification will be contrasted with nonsuicidal self-injury. When available, information also is presented on societal perceptions of body modification.
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Affiliation(s)
- Cora C. Breuner
- Adolescent Medicine Division, Department of Pediatrics, Orthopedics and Sports Medicine, Seattle Children’s Hospital, University of Washington, Seattle, Washington; and
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Ascha M, Irfan M, Bena J, Taylor JS, Sood A. Pediatric patch testing: A 10-year retrospective study. Ann Allergy Asthma Immunol 2017; 117:661-667. [PMID: 27979024 DOI: 10.1016/j.anai.2016.09.445] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2016] [Revised: 09/27/2016] [Accepted: 09/28/2016] [Indexed: 11/30/2022]
Abstract
BACKGROUND Patch testing is the gold standard for diagnosing allergic contact dermatitis in children. OBJECTIVE To present a 10-year retrospective review of pediatric patch testing at our institution. METHODS Data from patients 18 years or younger who presented for patch testing from February 1, 2005, to May 31, 2015, were entered into a database. Patch testing was performed according to North American Contact Dermatitis Group standards. A positive reaction was defined as any allergen for which the patient had a 1+ or greater reaction and provided avoidance information. RESULTS A total of 157 patients with a mean (SD) age of 12.3 (4.1) years were evaluated. The 2 most frequent allergens were nickel and cobalt. Most patients were referred by dermatologists for suspected allergic contact dermatitis (72.3%). Dermatitis was present for more than 2 years in most cases (n = 67 [46.2%]), from 6 months to 2 years (n = 49 [33.8%]), and for less than 6 months (n = 29 [20.0%]). Males were more likely to have a positive reaction to fragrance mix 1 compared with females (P = .02). No significant association was found between age and allergen sensitivity. Those with a history of atopy were more likely to have a positive reaction to cobalt (P = .008) and chromium (P = .03). Sixty patients (38.2%) returned for follow-up, and 37 (60.7%) reported improvement; most (n = 54 [88.5%]) were being treated with topical corticosteroids. CONCLUSION Our study of pediatric patch testing can provide information regarding common allergens in children, which can enhance patient care. Primary care practitioners may benefit from awareness of patch testing as an alternative to prescribing systemic immunosuppressants.
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Affiliation(s)
- Mona Ascha
- Case Western Reserve University School of Medicine, Cleveland, Ohio.
| | - Mahwish Irfan
- Department of Dermatology, Cleveland Clinic Foundation and Cleveland Clinic Lerner College of Medicine of Case Western Reserve University, Cleveland, Ohio
| | - James Bena
- Department of Quantitative Health Sciences, Cleveland Clinic Foundation, Cleveland, Ohio
| | - James S Taylor
- Department of Dermatology, Cleveland Clinic Foundation and Cleveland Clinic Lerner College of Medicine of Case Western Reserve University, Cleveland, Ohio
| | - Apra Sood
- Department of Dermatology, Cleveland Clinic Foundation and Cleveland Clinic Lerner College of Medicine of Case Western Reserve University, Cleveland, Ohio
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Lagrelius M, Wahlgren CF, Matura M, Bergström A, Kull I, Lidén C. A population-based study of self-reported skin exposures and symptoms in relation to contact allergy in adolescents. Contact Dermatitis 2017; 77:242-249. [DOI: 10.1111/cod.12816] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2017] [Revised: 03/14/2017] [Accepted: 03/21/2017] [Indexed: 11/26/2022]
Affiliation(s)
- Maria Lagrelius
- Institute of Environmental Medicine; Karolinska Institutet, 171 77; Stockholm Sweden
- Stockholm County Council; Centre for Occupational and Environmental Medicine; 113 65 Stockholm Sweden
| | - Carl-Fredrik Wahlgren
- Dermatology Unit, Department of Medicine Solna, Karolinska Institutet; Karolinska University Hospital; 171 76 Stockholm Sweden
| | - Mihály Matura
- Institute of Environmental Medicine; Karolinska Institutet, 171 77; Stockholm Sweden
- Stockholm County Council; Centre for Occupational and Environmental Medicine; 113 65 Stockholm Sweden
| | - Anna Bergström
- Institute of Environmental Medicine; Karolinska Institutet, 171 77; Stockholm Sweden
| | - Inger Kull
- Department of Clinical Science and Education; Stockholm South General Hospital, Karolinska Institutet, and Sachs' Children's Hospital; 118 83 Stockholm Sweden
| | - Carola Lidén
- Institute of Environmental Medicine; Karolinska Institutet, 171 77; Stockholm Sweden
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Ahlström MG, Menné T, Thyssen JP, Johansen JD. Nickel allergy in a Danish population 25 years after the first nickel regulation. Contact Dermatitis 2017; 76:325-332. [DOI: 10.1111/cod.12782] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2016] [Revised: 01/18/2017] [Accepted: 01/18/2017] [Indexed: 02/03/2023]
Affiliation(s)
- Malin G. Ahlström
- Department of Dermatology and Allergy, National Allergy Research Centre, Herlev and Gentofte Hospital; University of Copenhagen; 2900 Hellerup Denmark
| | - Torkil Menné
- Department of Dermatology and Allergy, National Allergy Research Centre, Herlev and Gentofte Hospital; University of Copenhagen; 2900 Hellerup Denmark
| | - Jacob P. Thyssen
- Department of Dermatology and Allergy, National Allergy Research Centre, Herlev and Gentofte Hospital; University of Copenhagen; 2900 Hellerup Denmark
| | - Jeanne D. Johansen
- Department of Dermatology and Allergy, National Allergy Research Centre, Herlev and Gentofte Hospital; University of Copenhagen; 2900 Hellerup Denmark
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Haber LT, Bates HK, Allen BC, Vincent MJ, Oller AR. Derivation of an oral toxicity reference value for nickel. Regul Toxicol Pharmacol 2017; 87 Suppl 1:S1-S18. [PMID: 28300623 DOI: 10.1016/j.yrtph.2017.03.011] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2016] [Revised: 03/08/2017] [Accepted: 03/10/2017] [Indexed: 01/02/2023]
Abstract
Nickel (Ni) is in the earth's crust and can be found in environmental compartments such as water, soil, and air, as well as food. This paper presents an assessment of the oral nickel toxicity data in support of non-cancer health-based oral exposure limits or toxicity reference values (TRVs). This paper derives TRVs for three populations of interest: adults, toddlers, and people who have been dermally sensitized to nickel. The adult/lifetime TRV of 20 μg Ni/kg-day is based on post-implantation loss/perinatal mortality in a 2-generation reproductive study in rats. Several recent assessments by regulatory agencies have used the same study and endpoint, but the dose-response modeling conducted here was more appropriate for the study design. Toxicokinetic data from rats and humans indicate that the applied uncertainty factors are very conservative. Because the endpoint relates to fetal exposure and is not relevant to toddlers, a toddler TRV was derived based on decreased body weight in young rats; this TRV was also 20 μg Ni/kg-day. A separate TRV of 4 μg Ni/kg in addition to Ni in food was derived for protection of nickel-sensitized populations from flare-up of dermatitis, based on studies of single exposures in humans under conditions that maximize oral absorption.
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Affiliation(s)
- Lynne T Haber
- Department of Environmental Health, University of Cincinnati, Cincinnati OH 45267, USA.
| | - Hudson K Bates
- NiPERA Inc., 2525 Meridian Parkway, Suite 240, Durham, NC 27713, USA
| | - Bruce C Allen
- Independent Consultant, 101 Corbin Hill Circle, Chapel Hill, NC 27514, USA
| | - Melissa J Vincent
- Department of Environmental Health, University of Cincinnati, Cincinnati OH 45267, USA
| | - Adriana R Oller
- NiPERA Inc., 2525 Meridian Parkway, Suite 240, Durham, NC 27713, USA
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Gölz L, Buerfent BC, Hofmann A, Rühl H, Fricker N, Stamminger W, Oldenburg J, Deschner J, Hoerauf A, Nöthen MM, Schumacher J, Hübner MP, Jäger A. Genome-wide transcriptome induced by nickel in human monocytes. Acta Biomater 2016; 43:369-382. [PMID: 27477848 DOI: 10.1016/j.actbio.2016.07.047] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2016] [Revised: 07/20/2016] [Accepted: 07/27/2016] [Indexed: 12/22/2022]
Abstract
UNLABELLED Nickel-containing alloys are frequently used in the biomedical field, although, owing to corrosive processes metal ion leaching is inevitable. Due to nickel ion (Ni(2+)) leaching several adverse effects are described in the literature. However, only a few studies evaluated the genetic profile of Ni(2+) in human cells which is of great importance since nickel-induced effects differ between humans and mice as a result of species-specific receptor variability. Thus, we investigated gene expression induced by Ni(2+)in human monocytes using a transcriptome-wide approach determining new target genes implicated in nickel-induced pathologies. Monocytes were isolated from healthy volunteers of Central European origin using stringent inclusion criteria. Cells were challenged with different Ni(2+) concentrations. Array-based gene expression analysis was performed comprising more than 47,000 transcripts followed by pathway analyses. Transcriptional data were validated by protein and cell surface markers. Ni(2+) significantly influenced the expression of 1385 transcripts in a dose-dependent manner. Apart from known targets (CCL20↑, PTGS2↑, MTs↑, SLCs↑), we identified new candidates implicated in Ni(2+)-elicited processes (various microRNAs↑, INSIG1↑, NAMPT↑, MS4A6A↓, DHRS9↓). Several of these transcripts correspond to immunity, inflammation and were shown to be involved in cellular reactions related to hypersensitivity, cancer, colitis, and encephalitis. Moreover, 459 canonical pathways/signaling, 500 pathologies and 2687 upstream regulators were detected. Protein results validated our findings. To our knowledge, the present systematic transcriptome-wide expression study is the first which explored Ni(2+)-elicited cell responses in human primary monocytes identifying new target genes, pathways and upstream regulators of relevance to diagnostic and therapeutic strategies. STATEMENT OF SIGNIFICANCE Nickel is widely applied in the biomedical field, although several adverse effects are documented in the literature due to nickel ion (Ni(2+)) leaching. In humans, allergic reactions like contact dermatitis are the most common adverse effect to Ni(2+), whereas serious concerns relate to possible systemic and carcinogenic activities. Using a systematic genome-wide transcriptional approach in human primary monocytes unveil new target genes, pathways and upstream regulators implicated in nickel-elicited immune response which are of significance to diagnostic and therapeutic strategies. This approach provides new information of how host-derived immune response contributes to the interaction with antigens and supports the interplay between metal ions and systemic diseases.
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Gölz L, Papageorgiou SN, Jäger A. Nickel hypersensitivity and orthodontic treatment: a systematic review and meta-analysis. Contact Dermatitis 2015; 73:1-14. [DOI: 10.1111/cod.12392] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2015] [Revised: 02/14/2015] [Accepted: 02/24/2015] [Indexed: 02/06/2023]
Affiliation(s)
- Lina Gölz
- Department of Orthodontics; School of Dentistry, University of Bonn; 53111 Bonn Germany
| | - Spyridon N. Papageorgiou
- Department of Orthodontics; School of Dentistry, University of Bonn; 53111 Bonn Germany
- Department of Oral Technology; School of Dentistry, University of Bonn; 53111 Bonn Germany
| | - Andreas Jäger
- Department of Orthodontics; School of Dentistry, University of Bonn; 53111 Bonn Germany
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